fbank online

游雁

2023-02-22 2676fcb85b6baf8f69b858d7c71aee8cedb3d535

fbank online

 funasr/runtime/python/onnxruntime/rapid_paraformer/utils/frontend.py

@@ -181,8 +181,9 @@
        cmvn_file=cmvn_file,
        **config['frontend_conf'],
    )
    speech, _ = frontend.fbank_online(waveform)
    feat, feat_len = frontend.lfr_cmvn(speech)
    speech, _ = frontend.fbank_online(waveform)  #1d, (sample,), numpy
    feat, feat_len = frontend.lfr_cmvn(speech) # 2d, (frame, 450), np.float32 -> torch, torch.from_numpy(), dtype, (1, frame, 450)
    
    frontend.reset_status() # clear cache
    return feat, feat_len